Home / 66,384.96-91,609.56-36,171.06

Finding the Fourth Proportional to 66,384.96, 91,609.56 and 36,171.06

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Solution

The fourth proportional to 66,384.96, 91,609.56 and 36,171.06 is: 49,915.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,384.96 : 91,609.56 = 36,171.06 : x
  2. Step 2: Convert to fraction form
    66,384.96/91,609.56 = 36,171.06/x
  3. Step 3: Cross multiply
    66,384.96x = 91,609.56 × 36,171.06
  4. Step 4: Simplify right side
    66,384.96x = 3,313,614,891.33
  5. Step 5: Solve for x
    x = 3,313,614,891.33/66,384.96
  6. Step 6: Final answer
    x = 49,915.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.